/**
 * VEC News - Main CSS & Design System
 * 
 * Baseado em CSS Custom Properties, CSS Grid, Flexbox e Tipografia Fluida.
 * Sem dependências externas ou bibliotecas legadas.
 *
 * @package VecNews
 */

:root {
  /* Cores Principais (Clean Editorial) */
  --vecn-primary: #0A0F1E;
  --vecn-secondary: #1A1F35;
  --vecn-accent: #E63946;
  --vecn-accent-hover: #C52233;
  --vecn-accent-2: #F4A261;
  --vecn-surface: #FFFFFF;
  --vecn-surface-alt: #F8F9FA;
  --vecn-surface-card: #FFFFFF;
  --vecn-text-primary: #0D1117;
  --vecn-text-secondary: #4B5563;
  --vecn-text-muted: #6B7280;
  --vecn-border: #E5E7EB;
  --vecn-border-light: #F3F4F6;
  --vecn-link: #1D4ED8;
  --vecn-link-hover: #1E40AF;
  --vecn-success: #059669;
  --vecn-warning: #D97706;
  --vecn-error: #DC2626;

  /* Tipografia */
  --vecn-font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --vecn-font-serif: Georgia, Cambria, 'Times New Roman', serif;
  --vecn-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --vecn-font-mono: 'JetBrains Mono', monospace;

  /* Escala Tipográfica Fluida (clamp) */
  --vecn-text-hero: clamp(2.25rem, 4vw + 1rem, 3.75rem);
  --vecn-text-h1: clamp(1.85rem, 3vw + 0.8rem, 2.75rem);
  --vecn-text-h2: clamp(1.5rem, 2.5vw + 0.5rem, 2.25rem);
  --vecn-text-h3: clamp(1.25rem, 1.8vw + 0.4rem, 1.75rem);
  --vecn-text-h4: clamp(1.1rem, 1.2vw + 0.3rem, 1.35rem);
  --vecn-text-body: clamp(1rem, 0.4vw + 0.9rem, 1.125rem);
  --vecn-text-small: 0.875rem;
  --vecn-text-caption: 0.75rem;

  /* Layout & Espaçamento */
  --vecn-max-width: 1240px;
  --vecn-content-width: 820px;
  --vecn-radius-sm: 4px;
  --vecn-radius: 8px;
  --vecn-radius-lg: 12px;
  --vecn-radius-full: 9999px;
  --vecn-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --vecn-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --vecn-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --vecn-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset Moderno */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--vecn-font-sans);
  font-size: var(--vecn-text-body);
  line-height: 1.65;
  color: var(--vecn-text-primary);
  background-color: var(--vecn-surface-alt);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

a {
  color: var(--vecn-link);
  text-decoration: none;
  transition: var(--vecn-transition);
}

a:hover {
  color: var(--vecn-link-hover);
}

/* Contêiner Geral */
.vecn-container {
  width: 100%;
  max-width: var(--vecn-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.vecn-main-content {
  flex: 1;
  padding: 2rem 0;
}

/* Sistema de Grid */
.vecn-grid-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .vecn-grid-layout {
    grid-template-columns: 1fr;
  }
}

/* Header & Ticker */
.vecn-site-header {
  background-color: var(--vecn-surface);
  border-bottom: 1px solid var(--vecn-border);
  position: relative;
  z-index: 100;
}

.vecn-site-header.is-sticky {
  position: sticky;
  top: 0;
  box-shadow: var(--vecn-shadow);
}

.vecn-top-bar {
  background-color: var(--vecn-primary);
  color: #FFFFFF;
  font-size: var(--vecn-text-small);
  padding: 0.4rem 0;
}

.vecn-top-bar .vecn-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.vecn-ticker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
  white-space: nowrap;
}

.vecn-ticker-badge {
  background-color: var(--vecn-accent);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--vecn-radius-sm);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.vecn-ticker a {
  color: #E2E8F0;
}

.vecn-ticker a:hover {
  color: #FFFFFF;
}

/* Header Principal */
.vecn-header-main {
  padding: 1.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.vecn-logo a {
  display: inline-block;
  font-family: var(--vecn-font-display);
  font-weight: 900;
  font-size: 1.85rem;
  color: var(--vecn-primary);
  letter-spacing: -0.03em;
}

.vecn-logo img {
  max-height: 55px;
  width: auto;
}

/* Navegação Principal */
.vecn-nav-bar {
  background-color: var(--vecn-surface);
  border-top: 1px solid var(--vecn-border-light);
}

.vecn-nav-list {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.vecn-nav-list li a {
  display: block;
  padding: 0.9rem 0;
  font-family: var(--vecn-font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--vecn-text-primary);
  position: relative;
}

.vecn-nav-list li a:hover,
.vecn-nav-list li.current-menu-item a {
  color: var(--vecn-accent);
}

/* Cards e Artigos */
.vecn-card {
  background-color: var(--vecn-surface-card);
  border-radius: var(--vecn-radius);
  border: 1px solid var(--vecn-border);
  overflow: hidden;
  transition: var(--vecn-transition);
  display: flex;
  flex-direction: column;
}

.vecn-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--vecn-shadow-hover);
  border-color: rgba(230, 57, 70, 0.3);
}

.vecn-card-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--vecn-secondary);
}

.vecn-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.vecn-card:hover .vecn-card-thumb img {
  transform: scale(1.04);
}

.vecn-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.vecn-badge-category {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--vecn-accent);
  margin-bottom: 0.5rem;
}

.vecn-card-title {
  font-family: var(--vecn-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.6rem;
}

.vecn-card-title a {
  color: var(--vecn-text-primary);
}

.vecn-card-title a:hover {
  color: var(--vecn-accent);
}

.vecn-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--vecn-text-small);
  color: var(--vecn-text-muted);
  margin-top: auto;
  padding-top: 0.75rem;
}

/* Hero Destaques Mosaico */
.vecn-hero-mosaic {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .vecn-hero-mosaic {
    grid-template-columns: 1fr;
  }
}

/* Sidebar & Widgets */
.vecn-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.vecn-widget {
  background-color: var(--vecn-surface-card);
  border: 1px solid var(--vecn-border);
  border-radius: var(--vecn-radius);
  padding: 1.5rem;
}

.vecn-widget-title {
  font-family: var(--vecn-font-display);
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--vecn-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--vecn-accent);
  display: flex;
  align-items: center;
}

/* Formulário de Captura / Newsletter */
.vecn-capture-box {
  background: linear-gradient(135deg, var(--vecn-primary) 0%, var(--vecn-secondary) 100%);
  color: #FFFFFF;
  padding: 2rem;
  border-radius: var(--vecn-radius-lg);
  box-shadow: var(--vecn-shadow);
}

.vecn-capture-title {
  font-family: var(--vecn-font-display);
  font-size: var(--vecn-text-h3);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.5rem;
  color: #FFFFFF;
}

.vecn-capture-subtitle {
  color: #CBD5E1;
  font-size: var(--vecn-text-small);
  margin-bottom: 1.25rem;
}

.vecn-form-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

@media (max-width: 600px) {
  .vecn-form-row {
    flex-direction: column;
  }
}

.vecn-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: var(--vecn-radius);
  color: var(--vecn-text-primary);
}

.vecn-btn-primary {
  background-color: var(--vecn-accent);
  color: #FFFFFF;
  border: none;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--vecn-radius);
  cursor: pointer;
  transition: var(--vecn-transition);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
}

.vecn-btn-primary:hover {
  background-color: var(--vecn-accent-hover);
}

/* Artigo Individual (Single Post) */
.vecn-article {
  background-color: var(--vecn-surface);
  border-radius: var(--vecn-radius);
  border: 1px solid var(--vecn-border);
  padding: 2.5rem;
}

@media (max-width: 768px) {
  .vecn-article {
    padding: 1.5rem 1rem;
  }
}

.vecn-article-header {
  margin-bottom: 2rem;
}

.vecn-article-title {
  font-family: var(--vecn-font-display);
  font-size: var(--vecn-text-h1);
  font-weight: 800;
  line-height: 1.2;
  color: var(--vecn-primary);
  margin: 0.75rem 0 1rem;
}

.vecn-article-content {
  font-family: var(--vecn-font-serif);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--vecn-text-primary);
}

.vecn-article-content p {
  margin-bottom: 1.5rem;
}

.vecn-article-content h2,
.vecn-article-content h3 {
  font-family: var(--vecn-font-display);
  color: var(--vecn-primary);
  margin: 2rem 0 1rem;
}

/* Barra de Progresso de Leitura */
#vecn-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background-color: var(--vecn-accent);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s linear;
}

/* Rodapé */
.vecn-site-footer {
  background-color: var(--vecn-primary);
  color: #94A3B8;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.vecn-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3.5rem 0 2.5rem;
}

@media (max-width: 900px) {
  .vecn-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .vecn-footer-grid {
    grid-template-columns: 1fr;
  }
}

.vecn-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  text-align: center;
  font-size: var(--vecn-text-small);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =============================================================================
   HOMEPAGE — PORTAL DE NOTÍCIAS
   Hero (mosaic/dual/single), Mais Lidos, Faixas de Categorias
   ============================================================================= */

.vecn-homepage-wrap { width: 100%; }

/* Cabeçalho de seção */
.vecn-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--vecn-accent);
}
.vecn-section-title {
  font-family: var(--vecn-font-display);
  font-size: var(--vecn-text-h3);
  font-weight: 800;
  color: var(--vecn-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.vecn-section-title a { color: inherit; text-decoration: none; }
.vecn-section-title a:hover { color: var(--vecn-accent); }
.vecn-see-all-link {
  font-size: var(--vecn-text-small);
  font-weight: 600;
  color: var(--vecn-accent);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--vecn-transition);
}
.vecn-see-all-link:hover { color: var(--vecn-accent-hover); }

/* Hero wrapper */
.vecn-hero-section {
  background: var(--vecn-primary);
  padding: 1.5rem 0;
  margin-bottom: 2.5rem;
}

/* --- MOSAICO --- */
.vecn-hero-mosaic {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}
.vecn-hero-lead { position: relative; }
.vecn-card-lead {
  background: var(--vecn-surface-card);
  border-radius: var(--vecn-radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.vecn-card-lead .vecn-card-thumb-link img {
  width: 100%; height: 380px; object-fit: cover; display: block;
}
.vecn-card-lead .vecn-card-body { padding: 1.5rem; flex: 1; }
.vecn-title-lead {
  font-size: clamp(1.4rem, 2.5vw, 2rem) !important;
  line-height: 1.25; margin: 0.5rem 0;
}
.vecn-title-lead a { color: var(--vecn-text-primary); text-decoration: none; }
.vecn-title-lead a:hover { color: var(--vecn-accent); }
.vecn-hero-secondary-list {
  display: flex; flex-direction: column; gap: 0.75rem;
}
.vecn-card-mini {
  background: var(--vecn-surface-card);
  border-radius: var(--vecn-radius);
  overflow: hidden;
  display: flex;
  transition: var(--vecn-transition);
}
.vecn-card-mini:hover { box-shadow: var(--vecn-shadow-hover); }
.vecn-mini-thumb img {
  width: 100px; height: 80px; object-fit: cover; display: block; flex-shrink: 0;
}
.vecn-card-mini .vecn-card-body {
  padding: 0.75rem 1rem; flex: 1;
  display: flex; flex-direction: column; justify-content: center;
}
.vecn-card-mini .vecn-card-title {
  font-size: 0.95rem; font-weight: 700; line-height: 1.35; margin-top: 0.25rem;
}
.vecn-card-mini .vecn-card-title a { color: var(--vecn-text-primary); text-decoration: none; }
.vecn-card-mini .vecn-card-title a:hover { color: var(--vecn-accent); }

/* --- DUPLO --- */
.vecn-hero-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.vecn-card-dual {
  background: var(--vecn-surface-card);
  border-radius: var(--vecn-radius-lg);
  overflow: hidden;
}
.vecn-card-dual .vecn-card-thumb-link img {
  width: 100%; height: 280px; object-fit: cover; display: block;
}
.vecn-card-dual .vecn-card-body { padding: 1.25rem; }
.vecn-title-dual {
  font-size: clamp(1.2rem, 1.8vw, 1.6rem) !important;
  line-height: 1.3; margin: 0.5rem 0;
}
.vecn-title-dual a { color: var(--vecn-text-primary); text-decoration: none; }
.vecn-title-dual a:hover { color: var(--vecn-accent); }

/* --- SINGLE full-width --- */
.vecn-card-single-hero {
  position: relative;
  background-image: var(--hero-bg);
  background-size: cover;
  background-position: center;
  border-radius: var(--vecn-radius-lg);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
}
.vecn-single-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.88) 0%, rgba(0,0,0,.3) 60%, transparent 100%);
  display: flex; align-items: flex-end;
}
.vecn-single-hero-body { padding: 2.5rem; width: 100%; max-width: 800px; }
.vecn-title-single {
  font-size: clamp(1.75rem, 3.5vw, 3rem) !important; line-height: 1.2; margin: 0.75rem 0 1rem;
}
.vecn-title-single a, .vecn-excerpt-light { color: #fff; text-decoration: none; }
.vecn-excerpt-light { font-size: 1.05rem; opacity: .9; margin-bottom: 1.25rem; }
.vecn-badge-light {
  background: rgba(255,255,255,.2); color: #fff;
  backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,.3);
}
.vecn-btn-read-more {
  display: inline-block; background: var(--vecn-accent); color: #fff;
  font-weight: 700; padding: 0.6rem 1.5rem; border-radius: var(--vecn-radius-full);
  text-decoration: none; font-size: .95rem; transition: var(--vecn-transition); margin-bottom: 1rem;
}
.vecn-btn-read-more:hover { background: var(--vecn-accent-hover); transform: translateX(2px); }
.vecn-card-single-hero .vecn-meta { color: rgba(255,255,255,.75); }

/* --- BADGES --- */
.vecn-badge-category {
  display: inline-block; background: var(--vecn-accent); color: #fff;
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  padding: .2rem .6rem; border-radius: var(--vecn-radius-sm); text-decoration: none;
  transition: var(--vecn-transition);
}
.vecn-badge-category:hover { background: var(--vecn-accent-hover); }
.vecn-badge-sm { font-size: .65rem; padding: .15rem .5rem; }

/* --- MAIS LIDOS --- */
.vecn-most-read-section {
  background: var(--vecn-surface-card); border-radius: var(--vecn-radius-lg);
  padding: 1.75rem; margin-bottom: 2.5rem; box-shadow: var(--vecn-shadow-sm);
}
.vecn-most-read-section .vecn-section-title {
  margin-bottom: 1.25rem; padding-bottom: .75rem; border-bottom: 2px solid var(--vecn-border);
}
.vecn-most-read-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.vecn-most-read-item { display: flex; align-items: flex-start; gap: 1rem; }
.vecn-most-read-rank {
  font-size: 2rem; font-weight: 900; color: var(--vecn-border);
  line-height: 1; min-width: 2rem; text-align: center; font-family: var(--vecn-font-display);
}
.vecn-most-read-item:first-child .vecn-most-read-rank { color: var(--vecn-accent); }
.vecn-most-read-body { flex: 1; }
.vecn-most-read-title { font-size: 1rem; font-weight: 700; line-height: 1.4; margin-top: .25rem; }
.vecn-most-read-title a { color: var(--vecn-text-primary); text-decoration: none; }
.vecn-most-read-title a:hover { color: var(--vecn-accent); }

/* --- FAIXAS DE CATEGORIAS --- */
.vecn-cat-strip-section { margin-bottom: 3rem; }
.vecn-cat-strip-grid {
  display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 1rem; align-items: start;
}
.vecn-card-strip-lead {
  background: var(--vecn-surface-card); border-radius: var(--vecn-radius);
  overflow: hidden; box-shadow: var(--vecn-shadow-sm);
}
.vecn-card-strip-lead .vecn-card-thumb-link img {
  width: 100%; height: 220px; object-fit: cover;
  border-radius: var(--vecn-radius) var(--vecn-radius) 0 0;
}
.vecn-card-strip-lead .vecn-card-body { padding: 1rem; }
.vecn-card-strip-side {
  background: var(--vecn-surface-card); border-radius: var(--vecn-radius);
  overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--vecn-shadow-sm); transition: var(--vecn-transition);
}
.vecn-card-strip-side:hover { box-shadow: var(--vecn-shadow-hover); transform: translateY(-2px); }
.vecn-card-strip-side .vecn-card-thumb-link img {
  width: 100%; height: 130px; object-fit: cover;
}
.vecn-card-strip-side .vecn-card-body { padding: .75rem; flex: 1; }
.vecn-card-strip-side .vecn-card-title { font-size: .9rem; line-height: 1.4; }

/* --- RESPONSIVIDADE --- */
@media (max-width: 1024px) {
  .vecn-cat-strip-grid { grid-template-columns: 1fr 1fr; }
  .vecn-card-strip-lead .vecn-card-thumb-link img { height: 180px; }
}
@media (max-width: 768px) {
  .vecn-hero-mosaic { grid-template-columns: 1fr; }
  .vecn-hero-dual { grid-template-columns: 1fr; }
  .vecn-hero-secondary-list { display: grid; grid-template-columns: 1fr 1fr; }
  .vecn-cat-strip-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .vecn-hero-secondary-list { grid-template-columns: 1fr; }
  .vecn-cat-strip-grid { grid-template-columns: 1fr; }
  .vecn-card-single-hero { min-height: 320px; }
  .vecn-single-hero-body { padding: 1.5rem; }
}